package controllers;

import java.util.List;

import models.Post;
import play.Play;
import play.cache.Cache;
import play.data.validation.Required;
import play.libs.Codec;
import play.libs.Images;
import play.mvc.Before;
import play.mvc.Controller;

public class Application extends Controller {

	@Before
	static void addDefaults(){
		renderArgs.put("blogTitle", Play.configuration.getProperty("blog.title"));
		renderArgs.put("blogBaseline", Play.configuration.getProperty("blog.baseline"));
	}
	
    public static void index() {
        Post frontPost = Post.find( "order by postedAt desc" ).first();
        List<Post> olderPosts = Post.find( "order by postedAt desc" ).from( 1 ).fetch( 10 );
        render( frontPost, olderPosts );
    }
    
    public static void show(Long id){
    	Post post = Post.findById(id);
    	String randomID = Codec.UUID();
    	render(post, randomID);
    }
    
    public static void postComment(
    		Long postId, 
    		@Required(message="Author is required") String author, 
    		@Required(message="A message is required") String content,
    		@Required(message="Please type the code") String code,
    		String randomID)
    {
    	Post post = Post.findById(postId);
    	validation.equals(code, Cache.get(randomID)).message("Invalid code. Please type it again");
    	
    	if(validation.hasErrors()){
    		render("Application/show.html", post, randomID);
    	}
    	post.addComment(author, content);
    	flash.success("Thanks for posting %s", author);
    	Cache.delete(randomID);
    	show(postId);
    }
    
    public static void captcha(String id){
    	Images.Captcha captcha = Images.captcha();
    	String code = captcha.getText("#E4EAFD");
    	Cache.set(id, code, "10mn");
    	renderBinary(captcha);
    }
    
    public static void listTagged(String tag){
    	List<Post> posts = Post.findTaggedWith(tag);
    	render(tag, posts);
    }
}